diff --git a/Dockerfile b/Dockerfile
index 9062c95..10c0efe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8.9-slim-buster@sha256:76d26c7208ffa1e91f5713ef06119a19e3c08a3b54b5c2cc8b98354f17688821
+FROM python:3.8.9-slim-buster@sha256:2516c4bc037b8144b6104e73e6bdd0c861725d9ed7bd05095dded22842991508
 
 # renovate: datasource=pypi depName=determine-docker-tags versioning=semver
 ENV DETERMINE_DOCKER_TAGS_VERSION 0.1.6